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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Baltimore MD/Washington DC
501 AM EDT Tue Jun 18 2019

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-190915-
Chesapeake Bay north of Pooles Island MD-
Chesapeake Bay from Pooles Island to Sandy Point MD-
Chesapeake Bay from Sandy Point to North Beach MD-
Chesapeake Bay from North Beach to Drum Point MD-
Chesapeake Bay from Drum Point MD to Smith Point VA-
Tidal Potomac from Key Bridge to Indian Head MD-
Tidal Potomac from Indian Head to Cobb Island MD-
Tidal Potomac from Cobb Island MD to Smith Point VA-
Patapsco River including Baltimore Harbor-
Chester River to Queenstown MD-Eastern Bay-
Choptank River to Cambridge MD and the Little Choptank River-
Patuxent River to Broomes Island MD-
Tangier Sound and the inland waters surrounding Bloodsworth
Island-District of Columbia-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford-
Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-
501 AM EDT Tue Jun 18 2019

This Hazardous Weather Outlook is for the Maryland portion of the
Chesapeake Bay, Tidal Potomac River, and adjacent counties in
central Maryland and northern Virginia as well as the District of
Columbia.

.DAY ONE...Today and Tonight

Heavy rain from showers and thunderstorms may produce scattered
incidents of flooding this afternoon and evening. A Flash Flood
Watch is in effect for much of the outlook area. An isolated
severe thunderstorm with damaging winds is also possible.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Isolated severe thunderstorms with damaging winds and large hail
are possible Thursday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotters are asked to relay severe weather and flood reports via
standard operating procedures.

$$



Flash Flood Watch

Flood Watch
National Weather Service Baltimore MD/Washington DC
338 AM EDT Tue Jun 18 2019


DCZ001-MDZ003>006-011-013-014-016-501>508-VAZ052>055-501-502-505-
506-181545-
/O.NEW.KLWX.FF.A.0005.190618T1800Z-190619T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Washington-Frederick MD-Carroll-
Northern Baltimore-Southern Baltimore-Prince Georges-Anne Arundel-
Charles-Extreme Western Allegany-Central and Eastern Allegany-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Northwest Harford-
Southeast Harford-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Northern Fauquier-
Southern Fauquier-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Hagerstown, Frederick,
Ballenger Creek, Eldersburg, Westminster, Reisterstown,
Cockeysville, Baltimore, Bowie, Suitland-Silver Hill, Clinton,
College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie,
Annapolis, Severn, South Gate, Severna Park, Arnold, Odenton,
St. Charles, Waldorf, Frostburg, Cumberland, Germantown,
Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring,
Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen,
Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston,
Herndon, Annandale, Centreville, Chantilly, McLean, Franconia,
Arlington, Alexandria, Falls Church, Falmouth, Warrenton,
Turnbull, Purcellville, Leesburg, Ashburn, and Sterling
338 AM EDT Tue Jun 18 2019

...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH THIS EVENING...

The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of Maryland, The District of
  Columbia, and northern Virginia, including the following
  areas, in Maryland, Anne Arundel, Carroll, Central and Eastern
  Allegany, Central and Southeast Howard, Central and Southeast
  Montgomery, Charles, Extreme Western Allegany, Frederick MD,
  Northern Baltimore, Northwest Harford, Northwest Howard,
  Northwest Montgomery, Prince Georges, Southeast Harford,
  Southern Baltimore, and Washington. The District of Columbia.
  In northern Virginia, Arlington/Falls Church/Alexandria,
  Eastern Loudoun, Fairfax, Northern Fauquier, Prince
  William/Manassas/Manassas Park, Southern Fauquier, Stafford,
  and Western Loudoun.

* From 2 PM EDT this afternoon through this evening

* Thunderstorms with heavy rainfall are expected to develop across
  the watch area this afternoon and linger into the evening.
  Localized rainfall totals of several inches are possible. This
  could lead to flash flooding, especially in the urban areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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